Education. Initial education in the cathedral school of Salzburg; later, he studied in Paris and Bologna.

Early life. Canon of the metropolitan cathedral chapter of Salzburg in 1161; and later, of the cathedral chapter of Augsburg.

Episcopate. Elected archbishop of Mainz in May 1161; in 1167, the famous library and old cathedral of Mainz were destroyed by a fire. Chased by Emperor Friedrich I Barbarossa because he had not supported Antipope Victor V, the archbishop sought refuge with Pope Alexander III in Sens. Archchancellor of Germany.

Cardinalate. Created cardinal priest of S. Marcello in the consistory of 1163, celebrated in Sens (1). He accompanied the pope at the end of November 1163 to Rome. Received the episcopal consecration from Pope Alexander III. Named cardinal bishop of Sabina in 1163, retaining the see of Mainz. Subscribed papal bulls issued between March 18, 1166 and August 6, 1177. Named administrator of the see of Sora in 1167; occupied the post until his death. At this time, he established a close friendship with Archbishop Thomas Becket of Canterbury, future martyr and saint. Legate in Bavaria, 1169-1171 and 1173-1177. According to the contract of Anagni, Cardinal Konrad resigned on August 1, 1177 in Venice, the archdiocese of Mainz in the hands of Pope Alexander III; on August 9, on the basis of Article 12 of the peace of Venice, and in agreement with Emperor Friedrich Barbarossa, the cathedral chapter of Salzburg chose Cardinal Konrad as its archbishop; the pope conferred him for the legation of all Germany; the emperor invested him immediately after the election by the chapter; and the confirmation by the pope was done by a certificate of June 14, 1178; in 1178, he held a provincial synod at Hohenau; he had a monastery built, where the body of Saint Vigil, apostle of the Carinthians and bishop of Salzburg, was exposed. Subscribed papal bulls issued between August 10, 1177 and April 12, 1179; and April 30 and June 5, 1182. In honor of his murdered friend Archbishop Becket of Canterbury, he consecrated, on March 17, 1178, the restored "Felsenkapelle" in the catacombs of the cemetery of St. Peter in Salzburg; he also established the first patronal feast of St. Thomas Becket in southern Germany. He participated in the Third Lateran Council of 1179, which established that to be canonically elected pope, the candidate had to receive two-thirds of the votes of the cardinals participating in the conclave. Administrator of the see of Gallipoli in 1179; he signed papal bulls as bishop of three sees, an unprecedented instance until then. By a papal bull of 1179, he and his successors were given the dignity and powers of a permanent apostolic legate (legatus natus) for the Salzburg ecclesiastical province; he was also granted the right to name the bishops of Gurk; an expanded use of the pallium; the carrying of a cross before him in processions; and the riding on a white horse (palfrey) on holidays. Participated in the papal election of 1181, in which Pope Lucius III was elected. Became archbishop of Mainz again in November 1183, after the peace of Venice (August 1177) between the pope and the emperor; he revived the visitations and celebration of synods (1184, 1188, 1194 and 1196) and favored the Augustinians and Premonstratenses. Dean of the Sacred College of Cardinals in 1181. Subscribed papal bulls issued between October 25, 1184 and November 11, 1185; January 11 and March 4, 1186; and February 1, 1197 and November 6, 1199. Participated in the papal election of 1185, in which Pope Urban III was elected. Participated in the first papal election of 1187, in which Pope Gregory VIII was elected. Participated in the second papal election of 1187, in which Pope Clement III was elected. Participated in the papal election of 1191, in which Pope Celestine III was elected. Legate in Hungary to reconcile the two brothers of the king. Although he was cardinal bishop of Sabina, he became protoprete in 1196 (2). In April 1197, he led an army of the Third Crusade to the Holy Land as legate of Pope Celestine III; he took part in the succession of the king of Antioch; on January 6, 1199, with papal permission, Cardinal Konrad crowned Leo II as king of Armenia; later that year, he returned to Germany with new legatine powers. Participated in the papal election of 1198, in which Pope Innocent III was elected. In April 1200, he was able to establish a truce between the Hohenstaufen and the Guelph in Germany.

Death. October 25 (or 26, or 27), 1200, Riedfeld, in Neustadt an der Aisch, while returning to the Holy Land. Buried in the metropolitan cathedral of Mainz, which he had rebuilt after the fire of 1167.

Birth. (No date found), Siena. His name is also listed as Mainfroy. Of the counts of Teutonaria (or Tinti).

Education. Entered the Order of Saint Benedict (Benedictines) in Mantua.

Priesthood. Ordained (no further information found).

Cardinalate. Created cardinal deacon of S. Giorgio in Velabro in the consistory of 1163. Subscribed papal bulls issued between January 7, 1163 and August 16, 1173. Legate in Sicily in 1169. Opted for the order of cardinal priests and the title of S. Cecilia in September 1173. Subscribed papal bulls issued between September 28, 1173 and November 28, 1176.

Episcopate. Opted for the order of cardinal bishops and the suburbicarian see of Palestrina, December 1176. Consecrated (no information found). Subscribed papal bulls issued between December 29, 1176 and January 14, 1178. He was one of the seven cardinals who assisted Pope Alexander III for the abjuration of Emperor Friedrich I Barbarossa in 1177.

Death. January 17, 1178, Anagni, according to the Menologue of Monte Cassino. Buried (no information found).

Cardinalate. Created cardinal deacon of S. Eustachio in the consistory of 1163. Subscribed papal bulls issued between March 18, 1166 and October 8, 1177. Accompanied Pope Alexander III to Venice in March 1177. Participated in the papal election of 1181, in which Pope Lucius III was elected.